docs: def translate_ostat(ostat):
      """Translate the OSTAT field to an integer.
  
      As of 2018-02-26, works on all E. coli models. Untested on other pre-made organism models.
  
      Args:
          ostat (str): Predicted oligomeric state of the PDB file
  
      Returns:
          int: Translated string to integer
  
      """
      ostat_lower = ostat.strip().lower()
      if ostat_lower == 'monomer':
          return 1
      elif ostat_lower == 'homo-dimer':
          return 2
      elif ostat_lower == 'homo-trimer':
          return 3
      elif ostat_lower == 'homo-tetramer':
          return 4
      elif ostat_lower == 'homo-pentamer':
          return 5
      elif ostat_lower == 'homo-hexamer':
          return 6
      elif ostat_lower == 'homo-heptamer':
          return 7
      elif ostat_lower == 'homo-octamer':
          return 8
      else:
          num = int(ostat_lower.split('-')[1])
          return num